Psychologists have always been leaders in the provision of quality mental and behavioral healthcare to their clients. As part of their commitment to continuity of care, psychologists have worked collaboratively with physician colleagues when biological or psychopharmacological treatment issues have been involved in that quality care. The professional evolution of psychology, however, has led to the decision to further enhance psychologists' knowledge base in psychopharmacological treatments. Some psychologists wish to be better informed collaborators with their physician colleagues while others have decided to pursue an expansion of their scope of practice by legislatively seeking prescriptive authority.

The following are links to enacted legislation awarding psychologists prescriptive authority.